/// <summary>
/// return the closest point on the disc from K, if the GravityInfo permit it
/// </summary>
/// <param name="k"></param>
/// <param name="canApplyGravity"></param>
/// <param name="gravityDisc"></param>
/// <returns></returns>
public bool GetClosestPointOnDiscIfWeCan(Vector3 k, GravityOverrideDisc gravityDisc, out Vector3 closestPoint)
{
closestPoint = Vector3.zero;
if (!gravityDisc.CanApplyGravity || (!AllowBottom && !_plane.IsAbove(k)))
{
return(false);
}
//project point to a plane
Vector3 kProjected = ExtPlane.ProjectPointInPlane(_plane, k);
//if dist² < radius², this projected point is inside the circle
float distSquared = (kProjected - _plane.Point).sqrMagnitude;
bool isInsideShape = distSquared < _radiusSquared;
if (isInsideShape)
{
if (!gravityDisc.Face)
{
return(false);
}
closestPoint = kProjected;
return(true);
}
if (!gravityDisc.Borders)
{
return(false);
}
//return the closest point on the circle (extremity of the disc)
closestPoint = _plane.Point + (kProjected - _plane.Point).FastNormalized() * _radius;
return(true);
}
public bool GetClosestPointIfWeCan(Vector3 k, GravityOverrideDisc gravityOverride, out Vector3 closestPoint)
{
closestPoint = Vector3.zero;
if (!gravityOverride.CanApplyGravity)
{
return(false);
}
return(_circle.GetClosestPointOnDiscIfWeCan(k, gravityOverride, out closestPoint));
}
/// <summary>
/// draw a disc
/// </summary>
public static GravityOverrideDisc DrawDisc(ExtCircle circle, GravityOverrideDisc discGravity, Color color, bool allowBottom, out bool hasChanged)
{
hasChanged = false;
Quaternion rotation = ExtRotation.QuaternionFromVectorDirector(circle.Normal, Vector3.up);
bool topFace = discGravity.Face;
bool topExtremity = discGravity.Borders;
bool isCameraViewBehindFace = Vector3.Dot(ExtSceneView.GetSceneViewCameraTransform().forward, circle.Normal) > 0 && !allowBottom;
Handles.color = color;
if (!Event.current.alt && Event.current.button != 2 && Handles.Button(circle.Point,
rotation,
circle.Radius,
circle.Radius, Handles.CircleHandleCap))
{
Debug.Log("extremity pressed");
discGravity.Borders = !discGravity.Borders;
hasChanged = true;
Use();
}
if (!topFace)
{
Handles.color = (isCameraViewBehindFace) ? new Color(color.r, color.g, color.b, color.a / 2) : color;
Handles.DrawSolidDisc(circle.Point, circle.Normal, circle.Radius / 10 * 8);
}
if (!topExtremity)
{
Handles.color = (isCameraViewBehindFace) ? new Color(color.r, color.g, color.b, color.a / 2) : color;
ExtHandle.DrawCircleThickness(circle, 50, ExtHandle.DrawOutlineType.INSIDE);
}
Handles.color = Color.red;
if (!Event.current.alt && Event.current.button != 2 && Handles.Button(circle.Point,
rotation,
circle.Radius / 10 * 7,
circle.Radius / 10 * 7, Handles.CircleHandleCap))
{
if (isCameraViewBehindFace)
{
Debug.Log("not behind face");
}
else
{
Debug.Log("Face pressed !");
discGravity.Face = !discGravity.Face;
hasChanged = true;
Use();
}
}
return(discGravity);
}
public static void ApplyModificationToDisc(SerializedProperty disc1, GravityOverrideDisc datas)
{
disc1.GetPropertie(nameof(datas.Face)).boolValue = datas.Face;
disc1.GetPropertie(nameof(datas.Borders)).boolValue = datas.Borders;
disc1.GetPropertie("_canApplyGravity").boolValue = datas.CanApplyGravity;
}
